.topNavbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  /* 移动端安全区域适配 */
  padding-top: env(safe-area-inset-top);
}

.statusBar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: #f8f9fa;
  font-size: 12px;
  color: #666;
}

.statusRight {
  display: flex;
  gap: 4px;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: white;
  /* 移动端触摸优化 */
  min-height: 44px;
}

.navLeft {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 60px;
}

.navRight {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 60px;
}

.backBtn {
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  /* 移动端触摸优化 */
  min-width: 44px;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}

.backBtn:hover {
  background-color: #f0f0f0;
}

.backBtn:active {
  transform: scale(0.95);
  background-color: #e0e0e0;
}

.navTitle {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  text-align: center;
  flex: 1;
}

/* 移动端响应式样式 */
@media (max-width: 480px) {
  .navbar {
    padding: 8px 12px;
  }
  
  .navTitle {
    font-size: 16px;
  }
  
  .backBtn {
    font-size: 18px;
    padding: 6px;
    min-width: 40px;
    min-height: 40px;
  }
}

@media (max-width: 375px) {
  .navbar {
    padding: 6px 8px;
  }
  
  .navTitle {
    font-size: 15px;
  }
  
  .statusBar {
    padding: 6px 12px;
    font-size: 11px;
  }
}

@media (max-width: 320px) {
  .navTitle {
    font-size: 14px;
  }
  
  .backBtn {
    font-size: 16px;
    padding: 4px;
    min-width: 36px;
    min-height: 36px;
  }
}
